Hi,
We're having some problem about transferring calls to an external number but are having success when transferring just to a local agent.
Outbound and inbound calls to UK have no problem as well.
Dial plan entry:
exten => _399198X.,1,AGI(agi://127.0.0.1:4577/call_log)
exten => _399198X.,n,Dial(${AWTTRUNK}/999${EXTEN:6},,tT)
exten => _399198X.,n,Hangup
CentOS 6.8 x86_64
Vicidial
VERSION: 2.12-549a
BUILD: 160404-0940
Asterisk
Version: 1.8.23.0-vici